<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>04_文本修饰</title>
    <style>
        h1 {
            font-size: 100px;
            /* text-decoration-line: overline; */
            /* text-decoration-style: dashed; */
            /* text-decoration-color: blue; */
            /* text-decoration: overline wavy blue; */
        }
    </style>
</head>
<body>
    <h1>你好啊，欢迎来到尚硅谷学习</h1>
</body>
</html>